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From Puneet Agarwal <puagar...@yahoo.com>
Subject Re: java.lang.OutOfMemoryError: Java heap space
Date Fri, 09 Aug 2013 02:42:47 GMT
Thanks, it worked...

- Puneet
IIT Delhi

On Aug 7, 2013, at 9:38 PM, Gustavo Enrique Salazar Torres <gsalazar@ime.usp.br> wrote:

> Hi Puneet:
> 
> You can try this at mapreduce config:
> 
> <property>
> 
>     <name>mapred.child.java.opts</name>
>     <value>-Xmx4000m</value>
>   </property>
> 
> Cheers
> 
> Gustavo
> 
> 
> 
> On Wed, Aug 7, 2013 at 11:43 AM, Puneet Agarwal <puagarwal@yahoo.com> wrote:
> 2013-08-07 20:07:30,119 FATAL org.apache.hadoop.mapred.Child: Error running child : java.lang.OutOfMemoryError:
Java heap space
> 
> 2013-08-07 20:07:30,210 FATAL org.apache.giraph.graph.GraphMapper: uncaughtException:
OverrideExceptionHandler on thread Thread for syncLogs, msg = Java heap space, exiting...
> java.lang.OutOfMemoryError: Java heap space
> 
> Hi All,
> Can someone help me with the above error. I am using Hadoop 1.0.0. and I tried increasing
the HEAP size, using following command,  but all in vain.
> export HADDOP_HEAP=4000
> So far I am using only about 200 mb big data. I want to use few GBs of data later.
> Please help
> Regards
> Puneet
> IIT Delhi
> 

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